States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![### Atoms, Ions and Molecules: Predicting the Formula of Ionic Compounds with Common Ions
#### Task:
**Write the empirical formula for at least four ionic compounds that could be formed from the following ions:**
\[ \mathrm{MnO_4^-}, \mathrm{Fe^{3+}}, \mathrm{Pb^{4+}}, \mathrm{CO_3^{2-}} \]
#### Input Box:
A single empty input box is provided for the student to enter the empirical formulas of the ionic compounds.
#### Tools:
- **Insert**: Options to insert symbols or elements are available above the input box for the ease of entering chemical notation.
- **Actions**:
- **Check Button**: To check the entered answer.
- **Explanation Button**: To provide an explanation for the correct answer.
#### Diagrams or Graphs:
No graphs or diagrams are provided in this specific task.
### Example Solutions:
1. **Iron (III) Permanganate:** \(\mathrm{Fe(MnO_4)_3}\)
- Combination of \(\mathrm{Fe^{3+}}\) and \(\mathrm{MnO_4^-}\).
2. **Lead (IV) Carbonate:** \(\mathrm{Pb(CO_3)_2}\)
- Combination of \(\mathrm{Pb^{4+}}\) and \(\mathrm{CO_3^{2-}}\).
3. **Iron (III) Carbonate:** \(\mathrm{Fe_2(CO_3)_3}\)
- Combination of \(\mathrm{Fe^{3+}}\) and \(\mathrm{CO_3^{2-}}\).
4. **Lead (IV) Permanganate:** \(\mathrm{Pb(MnO_4)_4}\)
- Combination of \(\mathrm{Pb^{4+}}\) and \(\mathrm{MnO_4^-}\).
Feel free to utilize the provided interface to explore and verify different combinations of these ions to form various ionic compounds.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F19406573-6a1e-471a-ba9f-f1bcf97fa675%2F45b06be1-6e43-49f5-a5c5-2fb05d4251d8%2F968omg.png&w=3840&q=75)

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